svn-gvsig-desktop / tags / v1_10_0_Build_1264 / libraries / libjni-proj4 / src / PJ_wag2.c @ 38629
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#ifndef lint
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static const char SCCSID[]="@(#)PJ_wag2.c 4.1 94/02/15 GIE REL"; |
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#endif
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#define PJ_LIB__
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# include <projects.h> |
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PROJ_HEAD(wag2, "Wagner II") "\n\tPCyl., Sph."; |
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#define C_x 0.92483 |
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#define C_y 1.38725 |
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#define C_p1 0.88022 |
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#define C_p2 0.88550 |
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FORWARD(s_forward); /* spheroid */
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lp.phi = aasin(C_p1 * sin(C_p2 * lp.phi)); |
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xy.x = C_x * lp.lam * cos(lp.phi); |
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xy.y = C_y * lp.phi; |
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return (xy);
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} |
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INVERSE(s_inverse); /* spheroid */
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lp.phi = xy.y / C_y; |
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lp.lam = xy.x / (C_x * cos(lp.phi)); |
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lp.phi = aasin(sin(lp.phi) / C_p1) / C_p2; |
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return (lp);
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} |
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FREEUP; if (P) pj_dalloc(P); }
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ENTRY0(wag2) P->es = 0.; P->inv = s_inverse; P->fwd = s_forward; ENDENTRY(P)
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